Dado a castello per albero di uscita taglierina rotante e lama padella filettatura 1" (11-008)
This is a n u niversal castle （ flange ） nut that is used for Rotary Cutters to lock the blade pan to the gearbox output shaft. This nut is to connect to the 1” thread of the shaft and it is 1"-14UNF.